Put a closing reference in the "Stamp Files and the Rerunning of Tasks"
section to point the user to the area that tells them how to
view information about a task's signature.
(From yocto-docs rev: 3f395ef1999a2aff1447da4d257fd5d53124aaa7)
Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>